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Finding the Fourth Proportional to 671,786.76, 927,023.04 and 369,980.76

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Solution

The fourth proportional to 671,786.76, 927,023.04 and 369,980.76 is: 510,549.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,786.76 : 927,023.04 = 369,980.76 : x
  2. Step 2: Convert to fraction form
    671,786.76/927,023.04 = 369,980.76/x
  3. Step 3: Cross multiply
    671,786.76x = 927,023.04 × 369,980.76
  4. Step 4: Simplify right side
    671,786.76x = 342,980,688,876.71
  5. Step 5: Solve for x
    x = 342,980,688,876.71/671,786.76
  6. Step 6: Final answer
    x = 510,549.94

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.